Home / 217,226.64-299,774.25-120,433.46

Finding the Fourth Proportional to 217,226.64, 299,774.25 and 120,433.46

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Solution

The fourth proportional to 217,226.64, 299,774.25 and 120,433.46 is: 166,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,226.64 : 299,774.25 = 120,433.46 : x
  2. Step 2: Convert to fraction form
    217,226.64/299,774.25 = 120,433.46/x
  3. Step 3: Cross multiply
    217,226.64x = 299,774.25 × 120,433.46
  4. Step 4: Simplify right side
    217,226.64x = 36,102,848,647.53
  5. Step 5: Solve for x
    x = 36,102,848,647.53/217,226.64
  6. Step 6: Final answer
    x = 166,198.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.